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A chemistry exam from wake forest university, chm 122, held on march 8, 2007. The exam includes instructions, 11 numbered questions, and two bonus questions. Questions cover topics such as drawing newman projections, identifying functional groups, assigning absolute configurations, and interpreting nmr spectra.
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Exam 1 Name:_____________________________ March 8, 2007 I agree to observe the Wake Forest Chm 122 Honor Code during this exam. 75 minutes 100 points Instructions: There are 11 questions and two bonuses on the following pages. Check the exam now to be sure that you have all 11 questions. There are two blank pages to be used as scratch paper at the end of the exam. You may remove these pages, as needed, but all answers must appear on the same page as the question and, where appropriate, in the designated space. Write your name, clearly, in the space provided above. Each question contains several parts. Be sure to completely read each question so that you answer all parts! Do not hesitate to ask a question if it arises. Clearly answer each question - if it is unclear what you intended to answer, the problem will be counted wrong. You have 75 minutes to complete the exam. I advise that you work through the exam once answering what you know and save problems you are unsure of for the end of the period. Exams will be collected, promptly, 75 minutes after they are distributed. The bonus problems are challenging and little partial credit will be awarded. I recommend you not work these until you are satisfied that you have done all you can on the rest of the exam. You are expected to abide by the Wake Forest University Honor Code and the rules of decency. Any violations of the Honor Code will be pursued through all necessary means. Good luck.
Bonus 1. Three mild acids are shown below along with their pKa. Which is the most acidic ( 1 point )? Which is least acidic ( 1 point )? Briefly explain why these compounds vary in acidity and why the most acidic is more acidic than the others. 5 points OH H OH N OH OCH 3 O O pKa 7. 2 9. 9 10. 9